The Best Guide to Clean Airless Spray Pump Filters

Author: May

Dec. 22, 2023




Tags: Mechanical Parts & Fabrication Services

Airless spray pumps are indispensable tools for achieving a smooth and efficient finish in various painting applications. Whether you're a professional painter or a DIY enthusiast, maintaining your airless spray pump is crucial for optimal performance. One key component that requires regular attention is the filter. In this guide, we'll explore the importance of clean airless spray pump filter and provide step-by-step instructions on how to effectively clean them.

Understanding the Importance of Clean Filters

Enhanced Performance: The primary function of the filter in an airless spray pump is to prevent debris, dirt, and contaminants from entering the system. Over time, these particles can accumulate and clog the filter, leading to a decrease in performance. Regular cleaning ensures a consistent and even spray pattern.

Extended Equipment Life: A clean filter contributes to the longevity of your airless spray pump. When the filter is clogged, the pump has to work harder to push the paint through, putting extra strain on the motor and other components. By keeping the filter clean, you help maintain the overall health of your equipment.

Identifying When to Clean the Filter

Visual Inspection: Before each use, visually inspect the filter for any signs of clogging. If you notice a buildup of paint or debris, it's time to clean the filter.

Decreased Performance: If you experience a reduction in spray quality or uneven patterns, it may be an indication that the filter needs cleaning. Don't ignore these signs, as they can lead to more significant issues if left unaddressed.

Step-by-Step Guide to Cleaning Airless Spray Pump Filters

Gather Necessary Supplies:

Latex gloves

Safety glasses

Cleaning solution (water or paint thinner, depending on the type of paint used)

Turn Off and Disconnect the Pump:

Before starting the cleaning process, ensure the airless spray pump is turned off, and disconnect it from the power source.

Release Pressure:

To avoid any accidents, release the pressure in the system. Follow the manufacturer's instructions for depressurizing the pump safely.

Remove the Filter Housing:

Locate the filter housing on the pump and carefully remove it. In most cases, this involves unscrewing the housing using a wrench or the provided tool.

Inspect the Filter:

Examine the High Quality Filters for any visible debris or paint buildup. Use a brush or your fingers to gently remove the contaminants.

Soak in Cleaning Solution:

Fill a container with the appropriate cleaning solution (water or paint thinner). Submerge the filter in the solution and let it soak for at least 15-20 minutes.

Brush and Rinse:

After soaking, use a soft brush to scrub away any remaining residue on the filter. Rinse the filter thoroughly with clean water.

Allow to Dry:

Once cleaned, let the filter air dry completely before reinserting it into the pump. Ensure there is no residual moisture that could affect the paint application.

Reassemble and Test:

Reattach the filter housing securely, following the manufacturer's instructions. Turn on the pump and perform a test spray to ensure that the system is working smoothly.


Regularly cleaning your airless spray pump filter may seem like a minor task, but its impact on performance and equipment longevity is substantial. By incorporating these simple steps into your maintenance routine, you not only ensure consistent and high-quality results in your painting projects but also extend the life of your valuable equipment. Take the time to care for your airless spray pump, and it will continue to serve you well for years to come.


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